M2Plus Launcher is a free medical e-book app developed by M3 Inc. It provides medical professionals with access to a variety of heavy medical books such as 'Today's Therapeutic Drugs,' 'Ear Notes,' 'Sanford Infectious Diseases,' and 'Asakura Internal Medicine' anytime and anywhere. It is compatible with Android 9.0 and offers features such as high-speed incremental search, inter-book linking function based on drug and disease names, offline access, memo and bookmark functions, font size adjustment, and 17 types of calculation functions.

One of the most significant features of this app is the ability to search multiple books simultaneously with high speed. This feature can significantly reduce the time required for medical professionals to search for specific topics in various books. Additionally, the app allows for offline access, making it a reliable tool for medical professionals regardless of their location.